pair,contact1,contact2,flow1,flow2 7bfq_U_,3,6,1,1 7bfq_U_,5,9,1,1 7bfq_U_,6,10,1,1 7bfq_U_,7,11,1,1 7bfq_U_,8,12,1,1 7bfq_U_,9,13,1,1 7bfq_U_,10,14,1,1 7bfq_U_,18,22,1,1 7bfq_U_,20,23,1,1 7bfq_U_,21,24,1,1 7bfq_U_,23,27,1,1 7bfq_U_,24,28,1,1 7bfq_U_,25,29,1,1 7bfq_U_,26,30,1,1 7bfq_U_,27,31,1,1 7bfq_U_,28,32,1,1 7bfq_U_,29,33,1,1 7bfq_U_,30,34,1,1 7bfq_U_,31,35,1,1 7bfq_U_,32,36,1,1 7bfq_U_,39,43,1,1 7bfq_U_,40,44,1,1 7bfq_U_,41,45,1,1 7bfq_U_,42,46,1,1 7bfq_U_,43,47,1,1 7bfq_U_,44,48,1,1 7bfq_U_,45,49,1,1 7bfq_U_,46,50,1,1 7bfq_U_,47,51,1,1 7bfq_U_,48,52,1,1 7bfq_U_,49,53,1,1 7bfq_U_,50,54,1,1 7bfq_U_,51,55,1,1 7bfq_U_,52,56,1,1 7bfq_U_,58,61,1,1 7bfq_U_,59,63,1,1 7bfq_U_,60,64,1,1 7bfq_U_,61,65,1,1 7bfq_U_,62,66,1,1 7bfq_U_,63,67,1,1 7bfq_U_,64,68,1,1 7bfq_U_,65,69,1,1 7bfq_U_,66,70,1,1 7bfq_U_,67,71,1,1 7bfq_U_,68,72,1,1 7bfq_U_,69,73,1,1 7bfq_U_,70,74,1,1 7bfq_U_,72,75,1,1 7bfq_U_,73,76,1,1 7bfq_U_,77,81,1,1 7bfq_U_,78,82,1,1 7bfq_U_,79,83,1,1 7bfq_U_,81,84,1,1 7bfq_U_,83,87,1,1 7bfq_U_,84,88,1,1 7bfq_U_,85,89,1,1 7bfq_U_,86,90,1,1 7bfq_U_,87,91,1,1 7bfq_U_,88,92,1,1 7bfq_U_,89,93,1,1 7bfq_U_,90,94,1,1 7bfq_U_,91,95,1,1 7bfq_U_,92,96,1,1 7bfq_U_,93,97,1,1 7bfq_U_,94,98,1,1 7bfq_U_,95,98,1,1 7bfq_U_,101,105,1,1 7bfq_U_,103,107,1,1 7bfq_U_,104,108,1,1 7bfq_U_,105,109,1,1 7bfq_U_,106,110,1,1 7bfq_U_,107,111,1,1 7bfq_U_,108,112,1,1 7bfq_U_,109,113,1,1 7bfq_U_,110,114,1,1 7bfq_U_,112,115,1,1 7bfq_U_,112,116,1,1 7bfq_U_,122,126,1,1 7bfq_U_,123,127,1,1 7bfq_U_,124,128,1,1 7bfq_U_,125,129,1,1 7bfq_U_,126,130,1,1 7bfq_U_,127,131,1,1 7bfq_U_,128,132,1,1 7bfq_U_,129,133,1,1 7bfq_U_,130,134,1,1 7bfq_U_,131,135,1,1